Saito-Morooka, F. (2025) “TAXONOMIC NOTES ON THE HOVER WASP GENUS EUSTENOGASTER (VESPIDAE, STENOGASTRINAE), WITH DESCRIPTION OF TWO NEW SPECIES FROM SUMATRA ISLAND, INDONESIA”, Treubia, 47(2), pp. 133–154. doi: 10.14203/treubia.v47i2.4006.